Elise meets Nick, a single and handsome attorney, they quickly bond over their mutual dislike of the holidays. Nick shares that his law firm is considering making him a partner, but has a history of choosing only those who are married with a family. Realizing they’re each about to face a lonely holiday season — and that having a girlfriend would increase his chances of being made a partner — Nick suggests the “mistletoe promise” that he and Elise pretend to be a couple until Christmas Eve